What is the domain of f(x)=(2y)/(9+y^2) ?

The domain of f(x)=(2y)/(9+y^2) is -infinity <y<infinity

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domain of f(x)=(2y)/(9+y^2)

domain

f (x) = \frac{2 y}{9 + y ^{2}}

- \infty < y < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < y < \infty

f (x) = x + 4 - 8

f (x) = t + 7

f (x) = - x - 6

f (x) = \frac{x + 3}{x - 5}

f (x) = 4 x^{4} - 24 x^{2}

What is the domain of f(x)=(2y)/(9+y^2) ?
The domain of f(x)=(2y)/(9+y^2) is -infinity <y<infinity